用于服务器，存储器和存储系统中的铅，用于交换，信号和传输，以及电信网络管理的网络基础设施设备中焊料中的铅。
Lead in solders for servers, storage and storage array systems, network infrastructure equipment for switching, signalling, transmission as well as network management for telecommunication.
本文概述了软交换网络出现的必然性，指出目前正处在电信网络技术变革的关键时期；
In this paper, summarizate the inevitability of Softswitch - based telecom network appearing, point out that this is a key period of telecom network technology development and change.
但是由于种种原因，成熟的软交换网络商业应用还没有普遍，这就有必要探讨在现有的电信网络平台上，如何平滑的过渡的软交换网络。
But because of some reasons, there is no very good softswitch in business field, which urge us research into how we have existing telecom network transform into softswitch network.
下一代电信网是基于IP的网络，SS7及呼叫控制原理是软交换控制系统的重要组成部分。
The next generation telecommunication networks will be based on IP. SS7 and the fundamental of call control are main components of softswitch control system.
以软交换为核心的下一代电信网络正是在这一背景下产生的。
The next generation network that the soft-switch is the key point was produced under this background.
电话交换机只是庞大的电信网络中的小部件。
电话交换机只是庞大的电信网络中的小部件。
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